Shawn Mendes

Shawn Mendes is Vine's first and biggest success story. A 17-year-old Canadian singer-songwriter, Mendes got his start performing on Vine. Now he's known for his single "Stitches."

Lele Pons

Lele Pons, left, and a fan take a selfie.Instagram/Lele Pons

Lele Pons is a Miami-based teenaged Vine star, best known for pulling pranks on family and friends and for her hyper-edited Vines.

Josh Peck

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Of all the most popular Vine stars, Josh Peck may be the only one who could have been referred to as a celebrity before Vine was ever created. An actor best known for his stint on Nickelodeon's "Drake & Josh," Josh has converted his humor into six-second soundbites on Vine.

Connor Franta

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Connor Franta, 23, does more than just make his own YouTube videos — he's an entrepreneur. He has a coffee line, called Common Culture Coffee. He's also written a memoir called "A Work in Progress," In late 2014, he came out as gay to his millions of YouTube fans.

Alx James

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Alx James is popular on Vine — he posts hilarious videos of himself, usually accompanied by pop-culture references and music — and soon he'll have his own reality-TV show too.

Miranda Sings

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Colleen Ballinger-Evans, 29, is the actress and comedian better known as YouTube character Miranda Sings, known for her heavy lipstick use, awful advice, and tone-deaf music covers. She's getting her own scripted comedy show on Netflix.

Jack and Jack

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Jack Gilinsky and Jack Johnson met in kindergarten, and the two have been inseparable ever since. Jack and Jack are a pop-rap duo, and they moved to LA after graduating from high school this year to work on their music and to keep making Vines.

Troye Sivan

You may remember 20-year-old Australian Troye Sivan as the kid who played young James in "X-Men Origins: Wolverine" a few years ago. But he's also a celebrated YouTuber. Sivan started singing on YouTube in 2007 — he's released an album since — but began vlogging in 2012.

Tyler Oakley

Tyler Oakley is a beloved YouTube star, but his success stretches across more than just the internet — he's adored by fans everywhere. He wrote a book, starred in a limited-release movie, and is on "The Amazing Race." The 26-year-old is as much an activist as he is an internet personality. A lot of his work touches on LGBT rights, particularly LGBT youth and preventing LGBT youth suicide.

Grace Helbig

YouTube

Hilarious YouTube personality Grace Helbig is one of the first YouTube-made celebs making the jump to a major network for her own show. She got her own prime-time show on the E! network last year, and she's a writer too. In 2014 she published "Grace's Guide: The Art of Pretending You're a Grown Up." She says that despite her 2.2 million subscribers on YouTube, becoming internet famous was "a slow process."

Manny MUA

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Manny Gutierrez is better known on YouTube as Manny MUA, a sassy beauty vlogger. " I think boys deserve just as much cosmetic recognition," he says on his Instagram account. His YouTube channel is devoted to all kinds of beauty tutorials, ranging from "How to do winged eyeliner" to "What's in my purse?"

Rosanna Pansino

Rosanna Pansino's nerdy cooking site is the most popular baking channel on YouTube. Among the most popular videos on Rosanna's "Nerdy Nummies" channel are tutorials on nerd-themed creations like "Space Invaders Chocolates," "Pi Pie Pops," and "Princess Peach Cobbler." If you live in New York City, you may recognize Rosanna from her subway ad.

Logan Paul

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Logan Paul's funny, over-the-top Vines landed him a nomination for in last year's "Shorty Awards," a web-based awards show recognizing people who do cool stuff on the internet. Hamming it up on Vine must run in the family because Logan's little brother, Jake, was nominated for the same award.

Shane Dawson

YouTube

Like other YouTube superstars, Shane Dawson is a jack-of-all-trades. On his 7-million-subscriber YouTube channel, "ShaneDawsonTV," he impersonates celebrities and does spoofs of TV shows. He's also released six singles, has a podcast called "Shane and Friends," released a film called "Not Cool," and published a memoir called "I Hate Myselfie: A Collection of Essays."

Mamrie Hart and Hannah Hart

Screenshot/YouTube

Mamrie Hart and Hannah Hart (no relation) are usually found with coconspirator and fellow YouTuber Grace Helbig, and the three are known as the "Holy Trinity/Trifecta" of YouTube. Mamrie is best known for her YouTube series "You Deserve A Drink," while Hannah fans know her best for her "My Drunk Kitchen" YouTube channel.

Brendon Urie

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The lead singer of mid-2000s band Panic! at the Disco, Brendon Urie has become something of a Vine star among a younger generation who may not remember his musical pursuits. He uses his Vine account to narrate everything about his life. "Vine taught me to be original again, you can really have fun with it, which it what I needed at the time [when I first joined]," he told Fuse in an interview last year. "It was around the last album, whenever I would get too frustrated I would just turn to Vine. I’d vent my frustrations into a creative pattern."